EXHIBIT 11
Tetra Tech, Inc.
Computation of Net Income Per Common Share
(Unaudited)
$ in thousands, except share data
Three Months Ended Nine Months Ended
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June 29, June 30, June 29, June 30,
1997 1996 1997 1996
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Primary:
Common stock outstanding, beginning
of period.............................. 14,436,958 14,081,072 14,127,002 13,235,309
Stock options exercised................. 44,484 29,430 104,621 84,957
Stock Purchase plan issuance............ 98,585 -- 98,585 --
Payment of fractional/canceled shares... -- (189) -- (189)
Issuance of common stock................ 1,684,224 -- 1,934,043 790,236
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Common stock outstanding, end
of period.............................. 16,264,251 14,110,313 16,264,251 14,110,313
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Preferred stock outstanding............. 1,231,840 -- 1,231,840 --
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Weighted average common stock
outstanding during the period.......... 14,833,853 14,094,911 14,420,063 13,941,025
Common stock equivalents under the
treasury stock method assuming the
exercise of options and warrants
and the conversion of preferred
stock.................................. 598,573 469,693 498,145 465,471
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Total................................ 15,432,426 14,564,604 14,918,208 14,406,496
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Net income as reported in consolidated
financial statements................... $ 3,644,000 $ 2,625,000 $ 9,111,000 $ 6,951,000
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Primary net income per common share..... $ 0.24 $ 0.18 $ 0.61 $ 0.48
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Fully Diluted:
Weighted average common shares
outstanding during the period.......... 14,833,853 14,094,911 14,420,063 13,941,025
Common stock equivalents under the
treasury stock method assuming the
exercise of options and warrants
and the conversion of preferred
stock.................................. 811,877 531,078 660,232 539,212
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Total................................ 15,590,678 14,625,989 15,061,945 14,480,237
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Net income as reported in consolidated
financial statements................... $ 3,644,000 $ 2,625,000 $ 9,111,000 $ 6,951,000
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Fully diluted net income per common
share.................................. $ 0.23 $ 0.18 $ 0.60 $ 0.48
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See accompanying notes to the condensed consolidated
financial statements.
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